/*
 *                 [[ Frozen-Bubble ]]
 *
 * Copyright (c) 2000-2003 Guillaume Cottenceau.
 * Java sourcecode - Copyright (c) 2003 Glenn Sanson.
 *
 * This code is distributed under the GNU General Public License
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 * Artwork:
 *    Alexis Younes <73lab at free.fr>
 *      (everything but the bubbles)
 *    Amaury Amblard-Ladurantie <amaury at linuxfr.org>
 *      (the bubbles)
 *
 * Soundtrack:
 *    Matthias Le Bidan <matthias.le_bidan at caramail.com>
 *      (the three musics and all the sound effects)
 *
 * Design & Programming:
 *    Guillaume Cottenceau <guillaume.cottenceau at free.fr>
 *      (design and manage the project, whole Perl sourcecode)
 *
 * Java version:
 *    Glenn Sanson <glenn.sanson at free.fr>
 *      (whole Java sourcecode, including JIGA classes
 *             http://glenn.sanson.free.fr/jiga/)
 *
 * Android port:
 *    Pawel Aleksander Fedorynski <pfedor@fuw.edu.pl>
 *    Copyright (c) Google Inc.
 *
 * JME port:
 *    Mikko Multanen <mikko.multanen at futurice.com>
 *      (code and graphics)
 *    Tuomo Hakaoja <tuomo.hakaoja at futurice.com>
 *      (new font)
 *    Copyright (c) 2012 Nokia Corporation
 * 
 *          [[ http://code.google.com/p/frozenbubbleandroid/ ]]
 *          [[ http://glenn.sanson.free.fr/fb/               ]]
 *          [[ http://www.frozen-bubble.org/                 ]]
 */
package com.nokia.frozenbubble;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Vector;

public class LevelManager {

    private int currentLevel;
    private Vector levelList;

    public void saveState(DataOutputStream data)
        throws IOException {
        data.writeInt(currentLevel);
    }

    public void restoreState(DataInputStream data)
        throws IOException {
        currentLevel = data.readInt();
    }

    public LevelManager(byte[] levels, int startingLevel) {
        String allLevels = new String(levels);

        currentLevel = startingLevel;
        levelList = new Vector();

        int nextLevel = allLevels.indexOf("\n\n");
        if (nextLevel == -1 && allLevels.trim().length() != 0) {
            nextLevel = allLevels.length();
        }

        while (nextLevel != -1) {
            String current = allLevels.substring(0, nextLevel).trim();

            levelList.addElement(getLevel(current));

            allLevels = allLevels.substring(nextLevel).trim();

            if (allLevels.length() == 0) {
                nextLevel = -1;
            }
            else {
                nextLevel = allLevels.indexOf("\n\n");

                if (nextLevel == -1) {
                    nextLevel = allLevels.length();
                }
            }
        }

        if (currentLevel >= levelList.size()) {
            currentLevel = 0;
        }
    }

    private byte[][] getLevel(String data) {
        byte[][] temp = new byte[8][12];

        for (int j = 0; j < 12; j++) {
            for (int i = 0; i < 8; i++) {
                temp[i][j] = -1;
            }
        }

        int tempX = 0;
        int tempY = 0;

        for (int i = 0; i < data.length(); i++) {
            if (data.charAt(i) >= 48 && data.charAt(i) <= 55) {
                temp[tempX][tempY] = (byte) (data.charAt(i) - 48);
                tempX++;
            }
            else if (data.charAt(i) == 45) {
                temp[tempX][tempY] = -1;
                tempX++;
            }

            if (tempX == 8) {
                tempY++;

                if (tempY == 12) {
                    return temp;
                }

                tempX = tempY % 2;
            }
        }

        return temp;
    }

    public byte[][] getCurrentLevel() {
        if (currentLevel < levelList.size()) {
            return (byte[][]) levelList.elementAt(currentLevel);
        }

        return null;
    }

    public void goToNextLevel() {
        currentLevel++;
        if (currentLevel >= levelList.size()) {
            currentLevel = 0;
        }
    }

    public void goToFirstLevel() {
        currentLevel = 0;
    }

    public int getLevelIndex() {
        return currentLevel;
    }
}
